on (rollOver) {
this.swapDepths(0);
_root.pippo1.stop();
setProperty(uno, _xscale, "200");
setProperty(uno, _yscale, "200");
}
on (rollOut) {
this.swapDepths(0);
_root.pippo1.play();
setProperty(uno, _xscale, "100");
setProperty(uno, _yscale, "100");
}

Ho fatto così